US Bridges

CR 100S over Little Kankakee River

Fair

LaPorte County, Indiana · 00.90 E CR 500 E · Structure no. 4600022

Built
1950
75 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,025
2022 count
Owner
County
County Highway Agency

About this bridge

CR 100S over Little Kankakee River is a prestressed concrete box beam or girders - multiple carrying CR 100S over Little Kankakee River in LaPorte County, Indiana. It was built in 1950 and reconstructed in 1995, so it is 75 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,025 vehicles a day, roughly 5% of them trucks, projected to reach 1,750 by 2042. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 100S
CrossesLittle Kankakee River
Location00.90 E CR 500 E
RouteCounty Highway 72
StateIndiana
Coordinates41.59257, -86.58485
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,025 (2022)
Projected traffic1,750 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 100S over Little Kankakee River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1995.

What condition is CR 100S over Little Kankakee River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does CR 100S over Little Kankakee River carry?

About 1,025 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is CR 100S over Little Kankakee River?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.8 m) and a deck 28 ft wide.

Who owns CR 100S over Little Kankakee River?

It is owned by the County Highway Agency.